Chapter 8 | Triangle and Its Properties | Class-7 DAV Secondary Mathematics

Are you looking for DAV Maths Solutions for class 7 then you are in right place, we have discussed the solution of the Secondary Mathematics book which is followed in all DAV School. Solutions are given below with proper Explanation please bookmark our website for further update !! All the Best !!

Chapter 8 Worksheet 4 | Triangle and Its Properties | Class-7 DAV Secondary Mathematics

1. The hypotenuse of a right triangle is 17 cm long. If one of the remaining two sides is of length 8 cm. find the length of the third side.

Answer 1:

Chapter 8 | Triangle and Its Properties | Class-7 DAV Secondary Mathematics

2. The length of the hypotenuse of a right triangle is 13 cm. If one of the side of the triangle be 5 cm long, find the length of the other side.

Answer 2:

Chapter 8 | Triangle and Its Properties | Class-7 DAV Secondary Mathematics

3. The length of two sides of a right triangle are equal. The square of the hypotenuse is 800 cm2. Find the length of the each side.

Answer 3:

Chapter 8 | Triangle and Its Properties | Class-7 DAV Secondary Mathematics

4. Two poles of heights 6 m and 11 m stand on a plane ground. If the distance between their feet is 12 m, find the distance between their tops.

Answer 4:

Chapter 8 | Triangle and Its Properties | Class-7 DAV Secondary Mathematics

5. Find the length of the diagonal of a rectangle whose sides are 15 cm and 8 cm.

Answer 5:

Chapter 8 | Triangle and Its Properties | Class-7 DAV Secondary Mathematics

6. The foot of a ladder is 6 m away from a wall and Its top reaches a window 8 m above the ground. If the ladder Is shifted In such a way that Its foot Is 8 m away from the wall. to what height does Its top reach?

Answer 6:

Chapter 8 | Triangle and Its Properties | Class-7 DAV Secondary Mathematics

7. A right angled triangle is isosceles. If the square of the hypotenuse is 50 m2, what is the length of each of Its sides?

Answer 7:

Chapter 8 | Triangle and Its Properties | Class-7 DAV Secondary Mathematics

8. If the sides of a triangle are 3 m, 4 m and 6 m long, determine whether the triangle is 3 right angled triangle.

Answer 8:

Chapter 8 | Triangle and Its Properties | Class-7 DAV Secondary Mathematics

9. Verify whether the following triplets are Pythagorean or not.
(i) (8, 9, 10)

Chapter 8 | Triangle and Its Properties | Class-7 DAV Secondary Mathematics


(ii) (5, 7, 12)

Chapter 8 | Triangle and Its Properties | Class-7 DAV Secondary Mathematics


(iii) (3, 4, 5)

Chapter 8 | Triangle and Its Properties | Class-7 DAV Secondary Mathematics

(iv) (5, 12, 13)

Chapter 8 | Triangle and Its Properties | Class-7 DAV Secondary Mathematics

(v) (9, 12, 15)

Chapter 8 | Triangle and Its Properties | Class-7 DAV Secondary Mathematics